.main {
  width: 100%;
}
.main .banner {
  position: relative;
  width: 100%;
  height: 600px;
  background: url(../assets/uploads/online-banner-bg1.webp);
}
.main .banner img {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  width: 1200px;
  height: 362px;
  vertical-align: middle;
}
.main .onlineclass {
  margin-top: 150px;
  width: 1200px;
}
.main .onlineclass .classlist {
  display: flex;
  justify-content: space-between;
  width: 1200px;
  height: 281px;
}
.main .onlineclass .classlist .itemclass {
  width: 282px;
  height: 281px;
  border-radius: 20px;
  background: linear-gradient(147.89deg, #F7FCFF 0%, #FFFFFF 53.09%, #F7FCFF 100%);
  box-shadow: 0px 11px 25px #9C9FA5, 0px 45px 45px #9C9FA5;
}
.main .onlineclass .classlist .itemclass a img {
  width: 282px;
  height: 158px;
  border-radius: 18px 18px 0px 0px;
  background: #ffffff;
}
.main .onlineclass .classlist .itemclass a h4 {
  margin-top: 20px;
  margin-bottom: 10px;
  margin-left: 20px;
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 28.13px;
  color: #333333;
}
.main .onlineclass .classlist .itemclass a p {
  width: 242px;
  height: 44px;
  margin-left: 20px;
  white-space: wrap;
  /* 保证文本不换行 */
  overflow: hidden;
  /* 隐藏超出容器的内容 */
  text-overflow: ellipsis;
  /* 使用省略号表示被截断的文本 */
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 22px;
  color: #333333;
}
.main .onlineclass .classlist .itemclass:hover {
  background: #1842b6;
}
.main .onlineclass .classlist .itemclass:hover h4,
.main .onlineclass .classlist .itemclass:hover p {
  color: #ffffff;
}
.main .skillup {
  width: 1200px;
  margin-top: 70px;
}
.main .skillup .skill-list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 1200px;
  height: 586px;
}
.main .skillup .skill-list .itemskill {
  width: 282px;
  height: 281px;
  margin-bottom: 24px;
  border-radius: 20px;
  background: linear-gradient(147.89deg, #F7FCFF 0%, #FFFFFF 53.09%, #F7FCFF 100%);
  box-shadow: 0px 11px 25px #9C9FA5, 0px 45px 45px #9C9FA5;
}
.main .skillup .skill-list .itemskill a img {
  width: 282px;
  height: 158px;
  border-radius: 18px 18px 0px 0px;
  background: #ffffff;
}
.main .skillup .skill-list .itemskill a h4 {
  margin-top: 20px;
  margin-bottom: 10px;
  margin-left: 20px;
  font-size: 24px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 28.13px;
  color: #333333;
}
.main .skillup .skill-list .itemskill a p {
  width: 242px;
  height: 44px;
  margin-left: 20px;
  white-space: wrap;
  /* 保证文本不换行 */
  overflow: hidden;
  /* 隐藏超出容器的内容 */
  text-overflow: ellipsis;
  /* 使用省略号表示被截断的文本 */
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0px;
  line-height: 22px;
  color: #333333;
}
.main .skillup .skill-list .itemskill:hover {
  background: #1842b6;
}
.main .skillup .skill-list .itemskill:hover h4,
.main .skillup .skill-list .itemskill:hover p {
  color: #ffffff;
}
